Home / 1,660,108.20-2,489,822.10-461,729.40

Finding the Fourth Proportional to 1,660,108.20, 2,489,822.10 and 461,729.40

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Solution

The fourth proportional to 1,660,108.20, 2,489,822.10 and 461,729.40 is: 692,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,108.20 : 2,489,822.10 = 461,729.40 : x
  2. Step 2: Convert to fraction form
    1,660,108.20/2,489,822.10 = 461,729.40/x
  3. Step 3: Cross multiply
    1,660,108.20x = 2,489,822.10 × 461,729.40
  4. Step 4: Simplify right side
    1,660,108.20x = 1,149,624,064,339.74
  5. Step 5: Solve for x
    x = 1,149,624,064,339.74/1,660,108.20
  6. Step 6: Final answer
    x = 692,499.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.